Singing English songs        us more       in learning English.

      coins is my hobby, because they are interesting. And I like them very much.

The question is         that nobody can answer it.

We are not sure if it        tomorrow. If it        , our sports meeting will be put off.

In summer, food goes bad easily         it is put in the refrigerator.

—I hear Jack Chan will come to Laiwu next week.—Really?        he comes, my younger sister will be very happy.

        it's difficult to make her dream come true,she never gives up.

You should go over your test paper       you hand it in.

We won’t start the meeting        our teacher arrives.

She said she          to America the next month.